Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.980661E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:56:09+0800
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    1 Object 1

    AOE ID 54170
    NORAD ID 54170
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55414
    NORAD ID 55414
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5155 STARLINK-5620
    Time of Closest Approach 2026-10-20T07:04:41+0000
    Collision Probability (Pc) 1.980661E-6
    Conjunction Distance (km) 2.281 km
    Relative Speed (km/s) 13.433 km/s
    Conjunction Risk Parameters R (Radial): -2.06 | I (In-track): -0.47 | C (Cross-track): -0.858
    Collision Risk Index (CRI) 0.41
    X Position (km) -3885.595 -3885.221
    Position Y (km) -5629.392 -5627.144
    Position Z (km) -156.001 -156.091
    Velocity X (km/s) 3.842 2.059
    Velocity Y (km/s) -2.492 -1.613
    Velocity Z (km/s) -6.11 7.174

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5155 STARLINK-5620
    Semimajor Axis (a) 6840.882 km 6839.396 km
    Eccentricity (e) 0.000140 0.000270
    Inclination (i) 53.1581° 70.0003°
    RAAN 58.8232° 236.8623°
    Perigee Argument 88.7587° 275.6909°
    Mean Anomaly (M) 271.3577° 153.2119°
    Apogee 463.707 km 463.108 km
    Perigee 461.783 km 459.410 km
    Orbit Epoch 2026-10-19T08:24:17+0000 2026-10-19T22:00:02+0000

    STARLINK-5155 & STARLINK-5620 Collision Probability (Pc) Trend

    STARLINK-5155 & STARLINK-5620 Collision Probability (Pc) TrendNot Available

    STARLINK-5155 & STARLINK-5620 Miss Distance (Miss Distance) Trend

    STARLINK-5155 & STARLINK-5620 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5155Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5620Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5155Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5620Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5155

    No nearby objects data